164474867 has 2 divisors, whose sum is σ = 164474868. Its totient is φ = 164474866.

The previous prime is 164474857. The next prime is 164474873. The reversal of 164474867 is 768474461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164474867 - 2⁶ = 164474803 is a prime.

It is not a weakly prime, because it can be changed into another prime (164474857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82237433 + 82237434.

It is an arithmetic number, because the mean of its divisors is an integer number (82237434).

Almost surely, 2^164474867 is an apocalyptic number.

164474867 is a deficient number, since it is larger than the sum of its proper divisors (1).

164474867 is an equidigital number, since it uses as much as digits as its factorization.

164474867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 47.

The square root of 164474867 is about 12824.7755146045. The cubic root of 164474867 is about 547.8981675824.

The spelling of 164474867 in words is "one hundred sixty-four million, four hundred seventy-four thousand, eight hundred sixty-seven".